.guide { max-width: 760px; margin: 48px auto 88px; font-size: 18px; line-height: 1.75; }
.guide h1 { font-size: clamp(2.5rem, 6vw, 4.2rem); letter-spacing: -.045em; line-height: 1.08; }
.guide h2 { margin: 56px 0 18px; font-size: clamp(1.8rem, 4vw, 2.4rem); letter-spacing: -.035em; }
.guide h3 { margin: 30px 0 10px; font-size: 1.18rem; line-height: 1.4; }
.guide p, .guide ul, .guide ol { margin: 0 0 20px; }
.guide li { margin-bottom: 10px; }
.guide a:not(.button) { color: var(--accent-dark); text-decoration: underline; text-underline-offset: 3px; overflow-wrap: anywhere; }
.guide .meta, .guide figcaption { color: var(--muted); font-size: 14px; line-height: 1.6; }
.guide .callout { padding: 22px 24px; margin: 28px 0; border-left: 3px solid var(--accent); background: var(--paper); }
.guide .callout p:last-child { margin-bottom: 0; }
.guide .contents { padding: 22px 0; border-block: 1px solid var(--line); margin: 28px 0; }
.guide .contents ul { margin-bottom: 0; }
.guide .screen { max-width: 320px; margin: 28px auto 36px; }
.guide .screen img { width: 100%; height: auto; border-radius: 22px; border: 1px solid var(--line); display: block; }
.guide figcaption { margin-top: 12px; }
.guide pre { white-space: pre-wrap; overflow-wrap: anywhere; padding: 22px; background: var(--paper); border: 1px solid var(--line); border-radius: 12px; font-size: 14px; line-height: 1.65; }
.guide code { overflow-wrap: anywhere; font-size: .9em; }
.guide .checklist { padding-left: 24px; }
.guide section { scroll-margin-top: 24px; }
@media (max-width: 600px) { .guide { margin-top: 32px; font-size: 17px; } .guide .callout { padding: 18px; } .guide .screen { max-width: 280px; } }